Road development work from Manikpur to Thuiyachandra under PWD(RnB),Chawmanu sub-division during the year 2026-27

2.2 201 Clearing and Grubbing Road Land Clearing and grubbing road land including uprooting wild vegetation , grass, bushes, shrubs,saplings and trees of girth upto 300 mm , removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per MoRD Technical Specification clause 201. (II) By Mechanical Means (A) In area of non-thorny jungle

3.1 301.4 Scarifying Existing Granular Surface to a Depth of 50 mm by Manual Means Scarifying Existing Granular Surface by manual means to a depth of 50 mm and disposal of scarified material with a lift upto 3 m and leads upto 1000 m as per MoRD Technical Specification Clause 301.4. (II) By Mechanical Means (A) In area of non-thorny jungle

3.16 307 & 1606 Road side Pucca drains. Construction of road side pucca drain with M10 (1:3:6 with jhama brick aggregate) to specified lines, grades, levels and dimensions as per approved design and MoRD Technical Specification Clause 307, 1606. Excavated material to be used in embankment at site. (including centering, shuttering, etc. but excluding reinforcement) A)Kerb & Channel drain (top clear width 600 mm,bottom clear width 150 mm and clear depth of 200 mm) In Ordinary Soil

4.2 405 Water Bound Macadam Sub-Base / Base 3)WBM Grading 3 Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill up the interstices of coarse aggregate, watering and compacting to the required density 'Grading 3' as per MoRD Technical Specification Clause 405. By Manual Means

5.4 504 Bituminous Penetration Macadam Construction of penetration macadam over prepared Base by providing a layer of compacted crushed coarse aggregate using chips spreader with alternate applications of bituminous binder and key aggregates and rolling with vibratory roller to achieve the desired degree of compaction as per MoRT&H Technical Specification Clause 504. A. 50 mm thick i. With Viscosity Graded Bitumen of VG-30.

M1.17 502&503 Tack coat using hot straight run bitumen of grade VG-30 on W.B.M. Providing and applying tack coat using hot straight run bitumen of grade VG-30, including heating the bitumen, spraying the bitumen, cleaning and preparing the existing road surface as per specifications: On W.B.M. @ 0.75 kg/ sqm.

5.8 508 20 mm thick Open-Graded Premix Carpet using Bituminous (Viscosity grade/ modified bitumen) Binder Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using Viscosity grade bitumen or emulsion to required line, grade and level to serve as wearing course on a previously prepared base , including mixing in a suitable plant, laying and rolling with a three wheel 80 - 100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 508. Case - I : By Manual Means Bitumen of VG-30

5.11 510 Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A or Type B or Type C or Type D as per MoRD Technical Specification Clause 510. By Manual Means Case - IV : Type - D(premix with fine sand) i)Bitumen of VG-30